Cheapest return flights from Chiang Mai to Hanoi in September from $149

Best time to book flights for Chiang Mai (CNX) to Hanoi (HAN) flights at AirHint

AirHint found the following cheapest return flights from Chiang Mai (CNX) to Hanoi (HAN) in September 2025 (see full year).

Return flights

07 Sep - 17 Sep Thai AirAsia direct
07 Sep - 19 Sep Thai AirAsia direct
10 Sep - 17 Sep Thai AirAsia direct
10 Sep - 19 Sep Thai AirAsia direct
08 Sep - 17 Sep Thai AirAsia direct
08 Sep - 19 Sep Thai AirAsia direct
22 Sep - 05 Oct Thai AirAsia direct
22 Sep - 01 Oct Thai AirAsia direct
07 Sep - 08 Sep Thai AirAsia direct
07 Sep - 14 Sep Thai AirAsia direct
10 Sep - 14 Sep Thai AirAsia direct
08 Sep - 14 Sep Thai AirAsia direct
22 Sep - 08 Oct Thai AirAsia direct
22 Sep - 12 Oct Thai AirAsia direct
12 Sep - 01 Oct Thai AirAsia direct
18 Sep - 05 Oct Thai AirAsia
18 Sep - 01 Oct Thai AirAsia
20 Sep - 05 Oct Thai AirAsia
20 Sep - 01 Oct Thai AirAsia
22 Sep - 02 Oct Thai AirAsia

Also check the deals for one-way flights from Chiang Mai to Hanoi in September.

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The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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